/ Dictionary / Index B beet armyworm: Meaning and Definition of Find definitions for: beet' ar"myworm Pronunciation: [key] the caterpillar of a noctuid moth, Laphygma exigua, a pest of beets, asparagus, corn, cotton, peas, and peppers. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. beet Beethoven Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language